Minecraft CurseForge

Me and my friends made a modpack and played on it for a few hours until we got and server crash.. does anyone kno0w whats going on?

---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 2020-04-27 20:49:10 PDT
Description: Watching Server

java.lang.Error: ServerHangWatchdog detected that a single server tick took 60.00 seconds (should be max 0.05)
at com.brandon3055.draconicevolution.handlers.DEEventHandler.serverTick(DEEventHandler.java:72)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_901_DEEventHandler_serverTick_ServerTickEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:266)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:712)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Unknown Source)